CN210218760U - Novel soft sealing ball valve - Google Patents
Novel soft sealing ball valve Download PDFInfo
- Publication number
- CN210218760U CN210218760U CN201920788176.6U CN201920788176U CN210218760U CN 210218760 U CN210218760 U CN 210218760U CN 201920788176 U CN201920788176 U CN 201920788176U CN 210218760 U CN210218760 U CN 210218760U
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- valve
- valve body
- pressure regulating
- sealing element
- sealing layer
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Abstract
The utility model relates to a novel soft sealing ball valve, including spherical case, a valve body, valve gap and case controller, spherical case is installed between valve body and valve gap, be provided with the runner in valve body and the valve gap, be provided with the disk seat in the runner, case controller includes drive arrangement and valve rod, spherical case, a valve body, be provided with the bush on valve gap and the valve rod, all be provided with adsorption apparatus on valve body and the valve gap, each adsorption apparatus constructs including the pressure regulating chamber, the sealing member, pull out the pull rod, valve body and valve gap are provided with the absorption chamber, each adsorbs chamber one end and corresponds pressure regulating chamber intercommunication, the other end extends to between valve body and the bush or between valve gap and the bush, each sealing member slides and sets up in corresponding pressure regulating chamber, and sealed extrusion is in the chamber wall in pressure regulating chamber, each pull rod is pulled out and is fixed to be set up. Adopt above-mentioned scheme, provide one kind and make bush zonulae occludens in corresponding valve body or a novel soft seal ball valve of valve gap.
Description
Technical Field
The utility model relates to a ball valve, concretely relates to novel soft sealing ball valve.
Background
The existing ball valve generally comprises a spherical valve core, a valve body, a valve cover and a valve core controller, wherein the spherical valve core is arranged between the valve cover and the valve body, the valve cover and the valve body are designed in a sealing fit mode, a flow channel which is closed or opened by the spherical valve core is arranged in the valve body and the valve cover, a valve seat which is in sealing fit with the spherical valve core is arranged in the flow channel, the valve core controller is arranged in a linkage mode with the spherical valve core and comprises a driving device for rotating the spherical valve core and a valve rod for connecting the driving device with the spherical valve core, and a ball body can be closed and communicated.
In the aspect of chemical material transportation, in order to prevent a transmission medium from corroding parts such as a valve body, a valve cover and a spherical valve core which are made of metal materials, a layer of corrosion-resistant bush is generally sleeved between the parts through which a fluid medium can flow and the fluid medium, and the ball valve is called as a fluorine-lined ball valve.
Because the existing bush is mostly made of rubber materials, the existing bush has certain ductility, and when the bush is installed, due to the reason of installation precision, the clearance cavity 1 'as shown in figure 1 is easily formed and protrudes into the flow channel, so that the flow channel is uneven, and therefore in the transmission process of fluid media, the clearance cavity 1' is subjected to the flow thrust of the media and irregularly moves in the valve body and the bush or the valve cover and the bush, so that the flowing media form turbulence at the side wall of the bush to impact the bush, and accordingly, the booming sound is generated in the working process.
Disclosure of Invention
Not enough to prior art exists, the utility model aims to provide a make bush zonulae occludens in a novel soft sealing ball valve of corresponding valve body or valve gap.
In order to achieve the above purpose, the utility model provides a following technical scheme: the device comprises a spherical valve core, a valve body, a valve cover and a valve core controller, wherein the spherical valve core is arranged between the valve body and the valve cover, a flow passage which is closed or opened by the spherical valve core is arranged in the valve body and the valve cover, a valve seat which is in sealing fit with the spherical valve core is arranged in the flow passage, the valve core controller is arranged in linkage with the spherical valve core, the device comprises a driving device for rotating the spherical valve core and a valve rod which is connected with the driving device and the spherical valve core, bushings which are used for isolating contact with fluid media are arranged on the spherical valve core, the valve body, the valve cover and the valve rod, adsorption mechanisms which are used for controlling the connection tightness degree of the corresponding bushings and the valve body or the valve cover are arranged on the valve body and the valve cover, each adsorption mechanism comprises a pressure regulating cavity, a sealing element and a pull rod, the valve body and the valve cover are provided with adsorption cavities corresponding to each other, one end of, each sealing element is arranged in the corresponding pressure regulating cavity in a sliding mode and is extruded on the cavity wall of the pressure regulating cavity in a sealing mode, and each pulling rod is fixedly arranged on the corresponding sealing element and can move along the sliding direction of the sealing element.
By adopting the technical scheme, the pressure regulating cavity is matched with the sealing element, so that the sealing element slides under the action of the pull rod, and the pressure intensity in the pressure regulating cavity is changed 1. therefore, the pressure intensity in the flow channel is larger than the pressure intensity in the pressure regulating cavity by reducing the pressure intensity in the pressure regulating cavity, and the bushing is extruded towards the corresponding valve body or the valve cover under the action of pressure, so that the bushing is guaranteed to effectively seal and extrude the side wall, a gap is not generated, and the bushing is guaranteed to be flat and the fluid medium flows stably; 2. when the valve needs to be disassembled, the bushing can be separated from the valve body or the valve seat by increasing the pressure in the pressure regulating cavity, so that the disassembly is convenient.
The utility model discloses further set up to: each sealing element sequentially comprises a first metal sealing layer, a second rubber sealing layer and a third metal sealing layer along the sliding direction of the sealing element, and the first metal sealing layer, the second rubber sealing layer and the third metal sealing layer are in sealing extrusion with the cavity wall of the pressure regulating cavity.
By adopting the technical scheme, 1, the sealing element adopts three sealing layers, so that the sealing efficiency is greatly improved, and the gas loss is reduced; 2. the second rubber sealing layer is clamped between the first metal sealing layer and the third metal sealing layer, and the second rubber sealing layer is effectively clamped by utilizing the metal characteristics, so that the second rubber sealing layer is prevented from being separated in the sliding process to influence the sealing; 3. the first metal sealing layer and the third metal sealing layer are arranged on two sides, and metal characteristics are utilized, so that the sealing wear resistance is good.
The utility model discloses further set up to: the first metal sealing layer on each sealing element is fixedly connected with the pull rod through welding on the side deviating from the second rubber sealing layer, and the third metal sealing layer on each sealing element is fixedly connected with the pull rod through welding on the side deviating from the second rubber sealing layer.
Through adopting above-mentioned technical scheme, first metal seal layer and third metal seal layer all adopt welded mode and pull rod to be connected, make to connect the validity strong, and guaranteed the connection validity of the second rubber seal layer of centre gripping simultaneously.
The utility model discloses further set up to: and an end cover for preventing the sealing element from being separated from the pressure regulating cavity is arranged on one side, away from the adsorption cavity, of the sealing element in each pressure regulating cavity.
Through adopting above-mentioned technical scheme, the setting of end cover has not only played the guide effect for the pull rod, prevents moreover that the sealing member from breaking away from the pressure regulating chamber because of excessive traction.
The utility model discloses further set up to: each pulling rod is provided with a force application handle for pulling by a user.
Through adopting above-mentioned technical scheme, the setting of application of force handle makes user's accessible pulling handle make the pull rod go up and down, makes the more convenient, laborsaving of operation.
The utility model discloses further set up to: each force application handle is internally provided with a clamping block which is used for being clamped with a corresponding valve body or a corresponding valve cover along the sliding direction of the sealing element in a sliding manner, barb clamping grooves are arranged on the valve body and the valve cover along the sliding direction of the sealing element, each barb clamping groove is matched with the clamping block in shape and size, and a fixing surface which prevents the clamping block from entering the next barb clamping groove from the corresponding barb clamping groove along the direction of the sealing element deviating from the force application handle and a guide surface which guides the clamping block from entering the next barb clamping groove from the corresponding barb clamping groove along the direction of the sealing element towards the force application handle are arranged in.
Through adopting above-mentioned technical scheme, the design of fixture block and barb draw-in groove for after the pressure of pressure regulating intracavity transferred to appropriate degree, locate the barb draw-in groove through the fixture block card and realize the fixed of application of force handle, thereby make and pull out the pull rod, the sealing member is synchronous fixed, need not for pulling out for a long time, make the more convenient of operation, and the stationary plane has guaranteed the fixed of fixture block with the barb draw-in groove, prevent the automatic withdrawal of sealing member, the guide face makes the fixture block light convenient more of adjusting outwards.
The utility model discloses further set up to: each force application handle is internally provided with an unlocking rotating button and a torsion spring, one end of each torsion spring is connected with the unlocking rotating button, the other end of each torsion spring is connected with a clamping block, each torsion spring is in a compression state, the torsion direction at the position of the clamping block is the same as the direction of the clamping block towards the barb clamping groove, each unlocking rotating button is rotatably connected with the force application handle, and the rotating direction is the same as the rotating direction of the torsion spring.
Through adopting above-mentioned technical scheme, the setting up of torsional spring makes that equipment does not receive the effect down the fixture block can effectual extrusion in the barb draw-in groove, and in addition, the setting of unblock turn-button then can be in the condition that needs dismantle the bush or excessively adjust pressure, makes the fixture block deviate from the barb draw-in groove and adjust the position.
The utility model discloses further set up to: clamping blocks and torsion springs are symmetrically arranged in the force application handles from left to right.
Through adopting above-mentioned technical scheme, bilateral symmetry sets up fixture block and torsional spring, makes both sides homogeneous action, and the atress is more even.
The utility model discloses further set up to: and clamping blocks and torsion springs are symmetrically arranged in the force application handles from top to bottom.
Through adopting above-mentioned technical scheme, longitudinal symmetry sets up fixture block and torsional spring, increases and bears the weight of the module, makes the more stable of atress.
The invention is further described with reference to the accompanying drawings and the detailed description.
Drawings
FIG. 1 is a partial cross-sectional view of a conventional ball valve;
FIG. 2 is a cross-sectional view of an embodiment of the present invention;
FIG. 3 is an enlarged view of A in FIG. 1;
fig. 4 is an enlarged view of B in fig. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 2-4, the utility model discloses a novel soft sealing ball valve, including spherical case 3, valve body 1, valve gap 2 and case controller 4, spherical case 3 is installed between valve body 1 and valve gap 2, valve body 1 and valve gap 2 pass through bolt fixed connection, and be provided with the runner 11 that seals or open by spherical case 3, be provided with in the runner 11 with the sealed complex disk seat 5 of spherical case 3, disk seat 5 makes for having anticorrosive rubber material, case controller 4 sets up with the linkage of spherical case 3, it includes drive arrangement 41 that rotates spherical case 3 and the valve rod 42 of connecting drive arrangement 41 and spherical case 3, valve body 1, the cover is equipped with the bush 6 that is used for isolated and fluid medium contact on valve gap 2 and the valve rod 42.
The driving device 41 in this embodiment may be an electric driving device 41 or a manual wrench driving device 41.
In addition, in this embodiment, the valve body 1 and the valve cap 2 are both provided with the adsorption mechanism 7 for controlling the connection tightness between the corresponding bushing 6 and the valve body 1 or the valve cap 2, so as to ensure that the bushing 6 is effectively and smoothly connected to the corresponding valve cap 2 or the valve body 1, each adsorption mechanism 7 includes a pressure regulating cavity 71, a sealing member 72, and a pull rod 73, the valve body 1 and the valve cap 2 are provided with an adsorption cavity 74 corresponding to the respective pressure regulating cavity 71, one end of each adsorption cavity 74 is communicated with the corresponding pressure regulating cavity 71, and the other end penetrates through the corresponding valve body 1 or the valve cap 2 and extends between the valve body 1 and the bushing 6 or between the valve cap 2 and the bushing 6, in addition, each sealing member 72 is slidably disposed in the corresponding pressure regulating cavity 71 and is sealingly pressed against the cavity wall of the pressure regulating cavity 71, and each pull rod 73 is fixedly disposed on the corresponding sealing member 72 and. Therefore, the pull rod 73 can drive the sealing element 72 to move in the pressure regulating cavity 71, so that the pressure in the pressure regulating cavity 71 is changed, and the lining 6 is effectively pressed against the corresponding valve body 1 or valve cover 2 under the action of the pressure difference between the adsorption cavity 74 and the flow passage 11.
Preferably, the sealing member 72 in this embodiment sequentially includes a first metal sealing layer 721, a second rubber sealing layer 722 and a third metal sealing layer 723 along the sliding direction of the sealing member 72, and the first metal sealing layer 721, the second rubber sealing layer 722 and the third metal sealing layer 723 are pressed against the cavity wall of the pressure regulating cavity 71 in a sealing manner. Therefore, the sealing effect is better by adopting the multilayer sealing layers, and the position design of the three sealing layers effectively adopts the high sealing property of rubber and the abrasion resistance of metal, so that the sealing and abrasion resistance effects reach better degrees.
Preferably, the first metal sealing layer 721 on the sealing member 72 in this embodiment is fixedly connected to the pull rod 73 through a welding 724 on the side facing away from the second rubber sealing layer 722, and the third metal sealing layer 723 on the sealing member 72 is fixedly connected to the pull rod 73 through a welding 724 on the side facing away from the second rubber sealing layer 722. Therefore, the seal 72 is more stably fixed to the pull rod 73 by means of the weld 724.
Preferably, the adsorption chamber 74 in this embodiment is disposed in the valve body 1 or the bonnet 2 along the circumferential direction of the flow passage 11, and the adsorption ports 741 are disposed in a circumferential direction and an axial direction, so that the adsorption effect is more excellent.
In addition, the pressure regulating chamber 71 in this embodiment is provided with an end cover 75 for preventing the sealing member 72 from falling out of the pressure regulating chamber 71 on the side of the sealing member 72 away from the adsorption chamber 74, and the end cover 75 is fixedly connected with the valve body 1 or the valve cover 2 through threads. Not only provides a guide for the pulling rod 73, but also prevents the sealing member 72 from being separated from the pressure regulating chamber 71 due to over-traction.
In addition, the pulling rod 73 in this embodiment is integrally provided with a biasing handle 76 for pulling by a user. The user can pull the handle to lift the pull rod 73, so that the operation is more convenient and labor-saving.
In addition, in the embodiment, the force application handle 76 is provided with a fixture block 77 in a sliding manner in a direction perpendicular to the sliding direction of the sealing element 72, the valve body 1 and the valve cover 2 are provided with barb clamp grooves 12 in a sliding manner in the sliding direction of the sealing element 72, each barb clamp groove 12 is matched with the fixture block 77 in shape and size, and the fixture block 77 is matched with the barb clamp groove 12 to clamp the sealing element 72 with the corresponding valve body 1 or the corresponding valve cover 2, so that self-fixing under the condition of being separated from external force.
Preferably, in each barb slot 12 in this embodiment, a fixing surface 121 for preventing the fixture 77 from entering the next barb slot 12 from the corresponding barb slot 12 along the direction of the sealing element 72 away from the force application handle 76 and a guiding surface 122 for guiding the fixture 77 from the corresponding barb slot 12 along the direction of the sealing element 72 toward the force application handle 76 to enter the next barb slot 12 are provided, wherein the fixing surface 121 is perpendicular to the sliding direction of the sealing element 72 and is located on the side of the barb slot 12 close to the sealing element 72, and the guiding surface 122 connects and connects the two fixing surfaces 121 and is in an inclined shape.
In addition, an unlocking rotating button 78 and a torsion spring 79 are arranged in each force application handle 76 in this embodiment, one end of each torsion spring 79 is connected with the unlocking rotating button 78 in a buckling manner, the other end of each torsion spring 79 is connected with the fixture block 77 in a buckling manner, the torsion direction of the torsion spring 79 at the position of the fixture block 77 is the same as the direction of the fixture block 77 towards the barb clamp groove 12, each unlocking rotating button 78 is rotatably connected with the force application handle 76, and the rotating direction is the same as the rotating direction of the torsion spring 79. 1. When the unlocking rotating button 78 is rotated, the torsion spring 79 continues to rotate and contract and drives the clamping block 77 to be separated from the barb clamping groove 12, so that unlocking is completed, and 3, external force is released, and the torsion spring 79 drives the unlocking rotating button 78 to return to the initial state.
Preferably, the latch 77 and the torsion spring 79 are provided symmetrically in the respective urging handles 76 in the present embodiment. The two sides are uniformly acted, and the stress is more uniform.
Preferably, the latch 77 and the torsion spring 79 are vertically symmetrically provided in each urging handle 76 in the present embodiment. The bearing module is added, and the stress is more stable.
Claims (9)
1. The utility model provides a novel soft sealing ball valve, including spherical case, a valve body, valve gap and case controller, spherical case installs between valve body and valve gap, be provided with the runner that seals or open by spherical case in valve body and the valve gap, be provided with in the runner with the sealed complex disk seat of spherical case, case controller sets up with the linkage of spherical case, it is including the drive arrangement who rotates spherical case and the valve rod of connecting drive arrangement and spherical case, a valve body, be provided with the bush that is used for isolated and fluid medium contact on valve gap and the valve rod, its characterized in that: the valve body and the valve cover are respectively provided with an adsorption mechanism used for controlling the connection tightness degree of the corresponding bushing and the valve body or the valve cover, each adsorption mechanism comprises a pressure regulating cavity, a sealing element and a pull rod, the valve body and the valve cover are provided with adsorption cavities corresponding to the respective pressure regulating cavities, one end of each adsorption cavity is communicated with the corresponding pressure regulating cavity, the other end of each adsorption cavity penetrates through the corresponding valve body or the valve cover and extends to a position between the valve body and the bushing or between the valve cover and the bushing, each sealing element is arranged in the corresponding pressure regulating cavity in a sliding mode and is hermetically extruded on the cavity wall of the pressure regulating cavity, and each pull rod is fixedly arranged on the corresponding sealing element and can move along the sliding direction of.
2. The novel soft seal ball valve of claim 1, wherein: each sealing element sequentially comprises a first metal sealing layer, a second rubber sealing layer and a third metal sealing layer along the sliding direction of the sealing element, and the first metal sealing layer, the second rubber sealing layer and the third metal sealing layer are in sealing extrusion with the cavity wall of the pressure regulating cavity.
3. The novel soft seal ball valve of claim 2, wherein: the first metal sealing layer on each sealing element is fixedly connected with the pull rod through welding on the side deviating from the second rubber sealing layer, and the third metal sealing layer on each sealing element is fixedly connected with the pull rod through welding on the side deviating from the second rubber sealing layer.
4. The novel soft seal ball valve of claim 1, wherein: and an end cover for preventing the sealing element from being separated from the pressure regulating cavity is arranged on one side, away from the adsorption cavity, of the sealing element in each pressure regulating cavity.
5. The novel soft seal ball valve of claim 1, wherein: each pulling rod is provided with a force application handle for pulling by a user.
6. The novel soft seal ball valve of claim 5, wherein: each force application handle is internally provided with a clamping block which is used for being clamped with a corresponding valve body or a corresponding valve cover along the sliding direction of the sealing element in a sliding manner, barb clamping grooves are arranged on the valve body and the valve cover along the sliding direction of the sealing element, each barb clamping groove is matched with the clamping block in shape and size, and a fixing surface which prevents the clamping block from entering the next barb clamping groove from the corresponding barb clamping groove along the direction of the sealing element deviating from the force application handle and a guide surface which guides the clamping block from entering the next barb clamping groove from the corresponding barb clamping groove along the direction of the sealing element towards the force application handle are arranged in.
7. The novel soft seal ball valve of claim 6, wherein: each force application handle is internally provided with an unlocking rotating button and a torsion spring, one end of each torsion spring is connected with the unlocking rotating button, the other end of each torsion spring is connected with a clamping block, each torsion spring is in a compression state, the torsion direction at the position of the clamping block is the same as the direction of the clamping block towards the barb clamping groove, each unlocking rotating button is rotatably connected with the force application handle, and the rotating direction is the same as the rotating direction of the torsion spring.
8. The novel soft seal ball valve of claim 7, wherein: clamping blocks and torsion springs are symmetrically arranged in the force application handles from left to right.
9. The novel soft seal ball valve of claim 7, wherein: and clamping blocks and torsion springs are symmetrically arranged in the force application handles from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920788176.6U CN210218760U (en) | 2019-05-29 | 2019-05-29 | Novel soft sealing ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920788176.6U CN210218760U (en) | 2019-05-29 | 2019-05-29 | Novel soft sealing ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210218760U true CN210218760U (en) | 2020-03-31 |
Family
ID=69928366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920788176.6U Expired - Fee Related CN210218760U (en) | 2019-05-29 | 2019-05-29 | Novel soft sealing ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210218760U (en) |
-
2019
- 2019-05-29 CN CN201920788176.6U patent/CN210218760U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200331 |